Polyps of the posterior urethra in children.
D001806:Blood Urea Nitrogen; D002648:Child; D002675:Child, Preschool; D003558:Cystoscopy; D006801:Humans; D008297:Male; D011127:Polyps / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery; D011859:Radiography; D014523:Urethral Neoplasms / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000473:pathology / Q000601:surgery; D014552:Urinary Tract Infections / Q000209:etiology